xenarcha, Mycteroperca Jordan [D. S.] 1888:387 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 39 (for 1887); ref. 10471] James Island, Galápagos Islands. Holotype: MCZ 24198. Additional material: MCZ 10061 (1). •Valid as Mycteroperca xenarcha Jordan 1888 -- (Eschmeyer & Herald 1983:199 [ref. 9277], Heemstra & Randall 1993:280 [ref. 21042], Bussing & López S. 1994:94 [ref. 23101], Heemstra in Fischer et al. 1995:1603 [ref. 22830], Chirichigno F. & Vélez D. 1998:354 [ref. 24555], Musick 2000:17 [ref. 24959], Thomson et al. 2000:94 [ref. 25640], Nelson et al. 2004:128 [ref. 27807], Love et al. 2005:112 [ref. 37547], Craig et al. 2006:94 [ref. 29771], Craig et al. 2011:324 [ref. 31786], Page et al. 2013:131 [ref. 32708], Barriga Salazar 2014:119 [ref. 35745], Jiménez-Prado et al. 2015:397 [ref. 34894], Kells et al. 2016:226 [ref. 35888], Ma & Craig 2018:456 [ref. 36100], Burton & Lea 2019:73 [ref. 37205], Parenti & Randall 2020:90 [ref. 37354], Love et al. 2021:147 [ref. 39279], Siccha-Ramirez et al. 2023:322 [ref. 40816], Vela-Espinosa et al. 2023:9 [ref. 40981]). Current status: Valid as Mycteroperca xenarcha Jordan 1888. Epinephelidae. Distribution: Eastern Pacific: central California (U.S.A.) south to southern Peru, including Gulf of California (Mexico) and Galapagos Islands (Ecuador). Habitat: brackish, marine.